What to know about how NATO works as Trump threatens to take over Greenland

What to know about how NATO works as Trump threatens to take over Greenland


NATO is built on the principle that an attack on any one of its ranks must be considered an attack on them all — the collective security guarantee enshrined in Article 5 of the treaty. The only time it has ever been activated was in 2001, to support the United States in the wake of the 9/11 attacks on New York and Washington. "All allies agree on the importance of the Arctic and Arctic security because we know that with sea lanes opening up there is a risk that the Russians and the Chinese will be more active," Rutte told reporters.

Author: Lorne Cook, Associated Press


Published at: 2026-01-12 23:24:41

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